<template>
    <div class="goods-tabs">
        <nav>
            <a @click="activeName = 'GoodsDetail'" :class="{active:activeName === 'GoodsDetail'}" href="javascript:;">商品详情</a>
            <a @click="activeName = 'GoodsComment'" :class="{ active: activeName === 'GoodsComment' }" href="javascript:;">商品评价<span>({{goods.inventory}})</span></a>
        </nav>
        <!-- 切换内容的地方 其实是两个组件-->
        <component :is="activeName" />
    </div>
</template>

<script>
import GoodsDetail from './goods-detail'
import GoodsComment from './goods-comment'
import { inject, ref } from 'vue';
export default {
    name:'GoodsTabs',
    components: { GoodsDetail, GoodsComment },
    setup(){
        const activeName = ref('GoodsDetail')
        const goods = inject('goods')
        return {activeName,goods}
    }
};
</script>

<style lang="less" scoped>
.goods-tabs {
    min-height: 600px;
    background: #fff;
    nav {
        height: 70px;
        line-height: 70px;
        display: flex;
        border-bottom: 1px solid #f5f5f5;
        a {
            padding: 0 40px;
            font-size: 18px;
            position: relative;
            > span {
                color: @priceColor;
                font-size: 16px;
                margin-left: 10px;
            }
            &:first-child {
                border-right: 1px solid #f5f5f5;
            }
            &.active {
                &::before {
                    content: "";
                    position: absolute;
                    left: 40px;
                    bottom: -1px;
                    width: 72px;
                    height: 2px;
                    background: @xtxColor;
                }
            }
        }
    }
}
</style>